var chart = Highcharts.chart('maimairenshu',{
    chart: {
        type: 'column',
        backgroundColor: '#FFFFFF'
    },
    title: {
        text: ''
    },
    subtitle: {
        text: ''
    },
    legend: {
        enabled: false,
        backgroundColor: '#FFFFFF',
    },
    xAxis: {
        categories: [
            '11/08','11/09','11/10','11/11','11/12','11/13','11/14',
        ],
        crosshair: true
    },
    yAxis: {
        tickPositions:[ 0, 50, 100, 150, 200, 250, 300],
        title: {
            text: ''
        }
    },
    tooltip: {
        // head + 每个 point + footer 拼接成完整的 table
        headerFormat: '<span style="font-size:10px">{point.key}</span><table>',
        pointFormat: '<tr><td style="color:{series.color};padding:0">{series.name}: </td>' +
        '<td style="padding:0"><b>{point.y:.1f} mm</b></td></tr>',
        footerFormat: '</table>',
        shared: true,
        useHTML: true
    },
    plotOptions: {
        column: {
            pointWidth:5,
            groupPadding: 0.7,
            borderColor: "",
            shadow: false,
            borderWidth: 0
        },series: {
            // pointPadding:0.3
        }
    },
    credits: { enabled: false },
    exporting: { enabled:false },
    series: [{
        name: '',
        color: '#86bc42',
        borderColor: '#fff',
        plotBackgroundColor: '#fff',
        data: [52.9, 120.5, 130.4, 290.2, 220.0, 160.0, 55.6]
    }, {
        name: '',
        color: '#eb6100',
        data: [30.6, 30.8, 120.5, 248.4, 152.0, 110.5, 40.0]
    }]
});